OBD-II code · Chassis
C0565 ABS Control Module System Voltage High
ABS control module system voltage above the safe operating range.
Is it safe to drive with C0565?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyAlternator regulator failed
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- ABS Module, Charging System
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.